package com.qf.day01;

public class demo01 {
    public static void main (String [] args){
        int a ;
        String s ;
        String name;

        a=100;
        s="hh";
        name="adfg";

        System.out.println(a);
        System.out.println(s);
        System.out.println(name);
        System.out.println(s+":"+name);
    }
}
